* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00A8CC;
    --secondary-color: #003D5B;
    --accent-color: #FFA500;
    --text-color: #333;
    --light-bg: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
}

.brand-subtitle {
    color: var(--secondary-color);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    color: white;
    padding: 100px 20px;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    font-weight: bold;
}

.cta-button:hover {
    background: #FF8C00;
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: 80px 20px;
    background: var(--light-bg);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.about-intro {
    text-align: center;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat h3 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-color);
    margin: 0;
}

.why-choose-us {
    margin-top: 3rem;
}

.why-choose-us h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.feature h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

/* Products Section */
.products {
    padding: 80px 20px;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-color);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.product-card p {
    color: #666;
    line-height: 1.6;
}

/* Industries Section */
.industries {
    padding: 80px 20px;
    background: var(--light-bg);
}

.industries h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.industry-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: var(--secondary-color);
    box-shadow: var(--shadow);
    transition: background 0.3s;
}

.industry-item:hover {
    background: var(--primary-color);
    color: white;
}

/* Services Section */
.services {
    padding: 80px 20px;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-color);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 20px;
    background: var(--light-bg);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--accent-color);
}

.testimonial-text {
    font-style: italic;
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-author {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(0, 168, 204, 0.3);
}

.form-message {
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

.contact-info h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-item p {
    margin: 0;
    line-height: 1.8;
}

.info-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.info-item a:hover {
    text-decoration: underline;
}

/* Map Section */
.map-section {
    padding: 80px 20px;
    background: var(--light-bg);
}

.map-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.map-section iframe {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 20px 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, background 0.3s;
    z-index: 50;
}

.whatsapp-button:hover {
    background: #20BA5A;
    transform: scale(1.1);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: background 0.3s;
    z-index: 50;
}

.back-to-top:hover {
    background: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding: 1rem 0;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 0.5rem 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .about h2,
    .products h2,
    .contact h2,
    .services h2,
    .industries h2,
    .testimonials h2,
    .map-section h2 {
        font-size: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 50px 20px;
        min-height: 300px;
    }
}

@media (max-width: 480px) {
    .nav-brand h1 {
        font-size: 1.5rem;
    }

    .brand-subtitle {
        font-size: 0.7rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.95rem;
    }

    .hero {
        padding: 40px 15px;
        min-height: 250px;
    }

    .about h2,
    .products h2,
    .contact h2,
    .services h2,
    .industries h2,
    .testimonials h2,
    .map-section h2 {
        font-size: 1.5rem;
    }

    .product-grid,
    .services-grid,
    .industries-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .map-section iframe {
        height: 300px;
    }
}